Tense Up (Verb)
Meaning 1
Become tense, nervous, or uneasy; "He tensed up when he saw his opponent enter the room".
Classification
Verbs of grooming, dressing and bodily care.
Become tense, nervous, or uneasy; "He tensed up when he saw his opponent enter the room".
Verbs of grooming, dressing and bodily care.